TEPCat: TOI-431b


 

This page summarises the information held within TEPCat for the transiting planetary system TOI-431b. Please see here for descriptions of the quantities given below.

 

Discovery and basic observable quantities:
 
Quantity Value Unit
Reference of discovery paper arXiv:2108.02310  
Date of discovery paper 2021 / 8 / 6 y / m / d
Right ascension 05 33 04.62 h m s
Declination −26 43 25.9 d m s
V-band apparent magnitude 9.12 mag
K-band apparent magnitude 6.72 mag
Transit duration 0.024
( 0.58 )
day
hour
Transit depth 0.05 %
Time of mid-transit   2458627.538 ± 0.003     HJD or BJD
Orbital period 0.490047 ± 0.000009 days
Reference for orbital ephemeris   arXiv:2108.02310  

 

Physical properties from the most recent detailed study:
 
Quantity Value Unit
Stellar effective temperature 4850 ± 75 K
Stellar metal abundance ([Fe/H] or [M/H])   +0.20 ± 0.05 dex
Stellar mass 0.78 ± 0.07   Msun
Stellar radius 0.731 ± 0.022 Rsun
Stellar logarithmic surface gravity 4.60 ± 0.06 c.g.s.
Stellar mean density ρsun
g cm-3
Orbital eccentricity 0.0  
Orbital semimajor axis   0.0113 +0.0002 −0.0003  AU
Planetary mass 0.0097 ± 0.0011
( 3.08 ± 0.35 )
Mjup
Mearth
Planetary radius 0.114 ± 0.004
( 1.278 ± 0.045 )
Rjup
Rearth
Planetary surface gravity m/s2
log(cgs)
Planetary mean density 6.0 ± 0.8
( 8.0 ± 1.1 )
ρjup
g cm-3
Planetary equilibrium temperature 1862 ± 42 K
Reference of detailed study arXiv:2108.02310  

 

TOI-431b does not have an entry in the catalogue of orbital obliquity measurements.

 

TOI-431b has not been analysed as part of the Homogeneous Studies of Transiting Extrasolar Planets project.

 


Page generated on 2021/12/02           John Southworth   (Keele University, UK)